3v4l.org

run code in 300+ PHP versions simultaneously
<?php $matches = []; $str = 'fooxbarx'; preg_match('/(^|\\s)x/mu', $str, $matches, PREG_OFFSET_CAPTURE, 0); var_dump($str); var_dump($matches);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0150.00618.43
8.3.50.0030.01018.14
8.3.40.0040.01118.80
8.3.30.0140.00018.61
8.3.20.0080.00018.97
8.3.10.0040.00419.04
8.3.00.0000.00823.53
8.2.180.0130.00618.64
8.2.170.0080.00622.96
8.2.160.0090.00620.90
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00019.85
8.2.110.0030.00722.24
8.2.100.0000.01217.73
8.2.90.0080.00019.23
8.2.80.0040.00417.97
8.2.70.0080.00017.78
8.2.60.0040.00417.88
8.2.50.0040.00418.10
8.2.40.0070.00019.27
8.2.30.0000.00719.33
8.2.20.0000.00817.96
8.2.10.0060.00318.20
8.2.00.0000.00719.39
8.1.280.0070.01025.92
8.1.270.0080.00023.88
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00420.57
8.1.230.0040.00820.89
8.1.220.0030.00617.76
8.1.210.0050.00318.77
8.1.200.0090.00017.48
8.1.190.0040.00417.35
8.1.180.0060.00318.10
8.1.170.0060.00318.63
8.1.160.0040.00418.83
8.1.150.0040.00418.83
8.1.140.0050.00217.59
8.1.130.0000.01018.97
8.1.120.0030.00317.58
8.1.110.0000.00717.51
8.1.100.0000.00817.55
8.1.90.0000.00717.47
8.1.80.0070.00017.52
8.1.70.0080.00017.44
8.1.60.0080.00017.66
8.1.50.0110.00017.53
8.1.40.0080.00017.51
8.1.30.0060.00317.70
8.1.20.0000.00717.59
8.1.10.0030.00617.59
8.1.00.0040.00417.51
8.0.300.0080.00018.77
8.0.290.0060.00616.88
8.0.280.0070.00018.40
8.0.270.0050.00317.26
8.0.260.0000.01117.21
8.0.250.0050.00517.11
8.0.240.0030.00317.11
8.0.230.0060.00316.94
8.0.220.0070.00017.04
8.0.210.0030.00317.08
8.0.200.0030.00317.11
8.0.190.0040.00417.01
8.0.180.0040.00417.07
8.0.170.0100.00017.05
8.0.160.0040.00417.00
8.0.150.0030.00516.89
8.0.140.0050.00316.98
8.0.130.0000.00613.39
8.0.120.0070.00017.07
8.0.110.0000.00716.98
8.0.100.0000.00817.02
8.0.90.0000.00716.96
8.0.80.0080.00817.09
8.0.70.0030.00517.15
8.0.60.0070.00016.98
8.0.50.0000.00717.09
8.0.30.0080.01117.22
8.0.20.0080.01017.40
8.0.10.0000.00816.96
8.0.00.0060.01516.82
7.4.330.0050.00015.55
7.4.320.0060.00016.61
7.4.300.0040.00416.63
7.4.290.0040.00416.80
7.4.280.0000.00716.71
7.4.270.0030.00316.71
7.4.260.0030.00516.79
7.4.250.0040.00416.67
7.4.240.0070.00016.83
7.4.230.0000.00816.70
7.4.220.0090.00016.51
7.4.210.0080.00816.81
7.4.200.0000.00716.82
7.4.160.0060.01116.67
7.4.140.0130.01417.86
7.4.130.0030.01516.82
7.4.120.0110.00816.60
7.4.110.0140.00816.53
7.4.100.0110.00616.63
7.4.90.0130.00316.50
7.4.80.0170.00719.39
7.4.70.0090.00616.74
7.4.60.0090.00616.45
7.4.50.0060.00916.60
7.4.40.0110.00816.42
7.4.00.0060.00915.07
7.3.330.0000.00513.33
7.3.320.0030.00313.18
7.3.310.0000.00716.43
7.3.300.0000.00816.31
7.3.290.0070.00016.32
7.3.280.0050.01316.37
7.3.260.0070.01016.39
7.3.240.0080.01016.39
7.3.230.0130.00416.60
7.3.210.0140.00316.40
7.3.200.0170.00316.59
7.3.190.0060.00916.46
7.3.180.0080.00816.27
7.3.170.0080.00816.36
7.3.160.0110.00716.35
7.2.330.0100.00716.57
7.2.320.0140.00716.69
7.2.310.0040.01216.73
7.2.300.0130.01016.52
7.2.290.0100.01016.48
7.2.70.0470.00414.97
7.2.60.0330.00915.01
7.2.50.0310.01214.86
7.2.40.0370.01015.06
7.2.30.0370.00614.73
7.2.20.0360.00714.77
7.2.10.0390.00714.89
7.2.00.0280.01214.95
7.1.200.0120.00015.90
7.1.170.0360.00313.99
7.1.160.0370.00313.75
7.1.150.0330.00613.96
7.1.140.0310.01314.05
7.1.130.0330.00714.12
7.1.120.0330.01314.02
7.1.110.0350.00613.98
7.1.100.0320.00613.92
7.1.90.0340.01013.98
7.1.80.0340.00914.08
7.1.70.0400.01413.55
7.1.60.0540.01031.82
7.1.50.0700.00732.02
7.1.40.0550.00932.09
7.1.30.0540.01632.16
7.1.20.1550.00631.86
7.1.10.0420.00913.78
7.1.00.0390.01014.09

preferences:
59.89 ms | 401 KiB | 5 Q